Home values, rents and more in Gem County, ID
September 2026 figures from Zillow and the U.S. Census Bureau · updated 2026-11-07
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- $490k+
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How Gem County, ID compares
The typical home in Gem County, ID is worth about $479,000, according to the Zillow Home Value Index for September 2026. Home values in Gem County, ID are about the same as the typical value in the Boise City metro area ($492,000) and 31% above the U.S. typical value ($366,000).
Over the past year, home values in Gem County, ID rose 3.6%, compared with +1.7% in the Boise City metro area and +1.2% nationally.
Typical rent is $1,488 a month (Zillow Observed Rent Index), 23% below the Boise City metro area ($1,924) and 23% below the U.S. ($1,932).
The median household income is $64,605, against $85,987 in the Boise City metro area and $80,734 in the U.S. (Census Bureau, American Community Survey 2020–24).
About 21,773 people live in Gem County, ID (Census Bureau estimate for July 2025).
Gem County, ID has the 3rd-highest typical home value of the 5 counties in the Boise City metro area and the 9th-highest of 43 in Idaho with Zillow figures.
Part of: Boise City metro area · Idaho
More for Gem County, ID in ProMap Plus
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- 5- and 10-year price changes
- Days on market and months of supply
- Price cuts and sale-to-list ratio
- Price-to-income and monthly cost to buy
- School test scores
- Flood, wildfire and natural hazard risk
- Property-tax rate
- Unemployment and job growth
- Building permits
- Mortgage delinquency
- 2024 presidential vote
- Age, education and household make-up
- Amenities and transit nearby
Nearby counties
Cities in Gem County, ID
ZIP codes in Gem County, ID
Sources
Home values: Zillow Home Value Index (ZHVI), all homes, middle tier, smoothed and seasonally adjusted, September 2026. Rents: Zillow Observed Rent Index (ZORI), seasonally adjusted. Population: Census population estimates (July 2025) for states, metros and counties; ACS 2020–24 for cities and ZIP codes. Income: U.S. Census Bureau, ACS 2020–24 5-year estimates. Boundaries: U.S. Census Bureau cartographic boundary files. Compiled by Home Economics.
"Typical" is Zillow's middle-tier value (homes between the 35th and 65th percentiles), not a median sale price. Changes are over the 12 months to September 2026.